- 4-inch multi-touch screen with 480x800 resolution
- Optimal HD audio, full duplex technology
- Yealink Noise Proof Technology
- Built-in rechargeable lithium battery
- Up to 20 hours talk time (in ideal conditions)
- Up to 75 hours standby time in Wi-Fi mode (in ideal conditions)
- 20-foot (6-meter) and 360° voice pickup
- Built-in 6-microphone array for voice pickup
- 5-way conference call
- Hybrid UC meeting
- Built-in Wi-Fi (2.4GHz/5GHz, 802.11a/b/g/n)
- Built-in Bluetooth 4.2